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ブックス The movement of the upper one was shown by an index, that pointed to the right or... の書籍検索結果
" The movement of the upper one was shown by an index, that pointed to the right or to the left according to the direction of the motion. "
Familiar Lectures on Scientific Subjects - 392 ページ
John Frederick William Herschel 著 - 1867 - 507 ページ
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On the Economy of Machinery and Manufactures

Charles Babbage - 1846 - 982 ページ
...; this separates them a very small space from each other, and each in its turn is pushed lengthwise to the right or to the left, according to the direction of the point. This is the usual process, and in it every needle passes individually under the finger of the...

An account of some remarkable applications of the electric fluid to the ...

John Finlaison - 1843 - 152 ページ
...electricity passing through a wire, parallel with and near to a freely suspended magnetic needle, deflected the needle to the right or to the left, according to the direction of the current. Professor Schweiger, of Halle, very soon after invented the wire-coil, or Electro-magnetic multiplier,...

An account of some remarkable applications of the electric fluid to the ...

John Finlaison - 1843 - 154 ページ
...electricity passing through a wire, parallel with and near to a freely suspended magnetic needle, deflected the needle to the right or to the left, according to the direction of the current. Professor Schweiger, of Halle, very soon after invented the wire-coil, or Electro-magnetic multiplier,...

Electric Telegraph Manipulation: Being the Theory and Plain Instructions in ...

Charles Vincent Walker - 1850 - 144 ページ
...sure it is the north end. So, again, you have merely to observe whether the electric current deflects the north end of the needle to the right or to the left, and you at once know whether it is ascending or descending. 12. To return to a single needle near a...

Hunt's Hand-book to the Official Catalogues: An Explanatory Guide to ..., 第 1 巻

Robert Hunt - 1851 - 492 ページ
...in the form of a ring or horseshoe, suspended in the centre of the helices, and is deflected either to the right or to the left, according to the direction of the current. The poles of the magnet being equidistant from the earth, the magnet is rendered astatic, and not affected...

Abstracts of the Papers Communicated to the Royal Society of London, 第 5 巻

Royal Society (Great Britain) - 1851 - 628 ページ
...numerical results. " In one experiment I obtained on a piece of heavy glass not compressed, 3° of rotation to the right or to the left, according to the direction of the current : on slightly compressing the glass, I had to turn to the right the eyepiece to 4°, 5°, and even...

Hunt's Hand-book to the Official Catalogues: An Explanatory Guide to ..., 第 1 巻

Robert Hunt - 1851 - 494 ページ
...in the form of a ring or horseshoe, suspended in the centre of the helices, and is deflected either to the right or to the left, according to the direction of the current. The poles of the magnet being equidistant from the earth, the magnet is rendered astatic, and not affected...

The London, Edinburgh and Dublin Philosophical Magazine and Journal of Science

1851 - 1248 ページ
...And ring wet* in the same plane. When a current was sent round the latter, the needle was deflected to the right or to the left, according to the direction of the current, until a position of equilibrium: between the action of the latter and the earth's magnetism was attained....

Iron: An Illustrated Weekly Journal for Iron and Steel Manufacturers ..., 第 60 巻

Perry Fairfax Nursey - 1854 - 616 ページ
...wood to move freely over each other. The movement of the upper one was shown by an index that pointed to the right or to the left according to the direction of the motion. This little apparatus, when placed under the hands of a practised table-turner, had the curious...

Mechanics' Magazine, 第 60 巻

1854 - 626 ページ
...wood to move freely over each other. The movement of the upper one was shown by an index that pointed to the right or to the left according to the direction of the motion. This little apparatus, when placed under the hands of u practised table-turner, had the curious...




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